68 Pa.C.S. § 7314: Cause of action.

A buyer shall not have a cause of action under this chapter against the seller or the agent for either or both of the seller or the buyer for:

(1) material defects to the property disclosed to the buyer prior to the signing of an agreement of transfer by the seller and buyer;

(2) material defects that develop after the signing of the agreement of transfer by the seller and buyer; or

(3) material defects that occur after final settlement.